<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <link rel="stylesheet" href="plujins/bootstrap-3.3.7-dist/css/bootstrap.min.css">
    <style>
        .container-fluid{
            background-color: pink;
            height: 200px;
        }
    </style>
    <title>按钮</title>
</head>
<body>
<a href="#" class="btn btn-info">a</a>
<button class="btn btn-lg btn-danger">
    test
</button>
<button class="btn btn-sm">
    test
</button>
<button class="btn btn-xs">
    test
</button>
<button class="btn btn-xs disabled">
    test
</button>
<button class="btn btn-xs" disabled="disabled">
    test
</button>
</body>
<script src="js/jquery-3.2.js"></script>
<script src="plujins/bootstrap-3.3.7-dist/js/bootstrap.min.js"></script>
</html>